Add missing COPILOT_GITHUB_TOKEN secret to gh-aw-issue-fixer workflow

[Copilot]

This PR fixes the gh-aw-issue-fixer workflow contract by adding the missing required COPILOT_GITHUB_TOKEN workflow-call secret.

What changed

• Added COPILOT_GITHUB_TOKEN under on.workflow_call.secrets in .github/workflows/gh-aw-issue-fixer.md.
• Regenerated .github/workflows/gh-aw-issue-fixer.lock.yml so the compiled workflow also declares COPILOT_GITHUB_TOKEN as required.

Why

gh-aw-issue-fixer.md was the outlier among gh-aw-* workflows: its caller example already passed COPILOT_GITHUB_TOKEN, but the workflow definition did not declare it.

Fixes #536

Generated by Update PR Body for issue #538

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 466621f and 8ec3c32.

📒 Files selected for processing (2)

• .github/workflows/gh-aw-issue-fixer.lock.yml
• .github/workflows/gh-aw-issue-fixer.md

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📝 Walkthrough

Walkthrough

This change adds the required COPILOT_GITHUB_TOKEN secret to the gh-aw-issue-fixer workflow's on.workflow_call.secrets section. Two files are updated: the source workflow definition (.github/workflows/gh-aw-issue-fixer.md) receives the new secret declaration, and its compiled lock file (.github/workflows/gh-aw-issue-fixer.lock.yml) is regenerated with the updated configuration and refreshed frontmatter hash. This aligns the workflow with the standard pattern established by 50 other Copilot workflows in the repository.

Possibly related PRs

• elastic/ai-github-actions#429: Adds COPILOT_GITHUB_TOKEN secret to GitHub Actions workflow definitions
• elastic/ai-github-actions#339: Adds required COPILOT_GITHUB_TOKEN secret to workflow configurations
• elastic/ai-github-actions#356: Adds COPILOT_GITHUB_TOKEN secret to workflow call definitions

🚥 Pre-merge checks | ✅ 2

✅ Passed checks (2 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	PR successfully addresses all coding requirements from issue #536: adds COPILOT_GITHUB_TOKEN to workflow_call secrets and regenerates lock file.
Out of Scope Changes check	✅ Passed	All changes are directly scoped to issue #536: COPILOT_GITHUB_TOKEN addition and lock file recompilation. No unrelated modifications detected.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch copilot/fix-gh-aw-issue-fixer-secrets

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